Samavedabrahmananyashtau 243.2

Sāmavedabrāhmaṇānyaṣṭau 243.2

tadāhuryaccaturviṃśamahaḥ prāyaṇīyaṃ kuryuḥ saṃvatsaramārabhya na
samāpayeyuriti trivṛdeva kāryaṃ prāṇāvai trivṛt prāṇānevopayanti